Shoe-nailing machine



4 Sheets-Sheet 1.

(No Model.)

0. E. SEYMOUR.

SHOE NAILING MAGHINE.

Patented June 14,1887.

A .m .w w i N PETERS, Phnimmu m. wmm m. ac.

(No Model.) 4 Sheets--Sheet 2.

O. E. SEYMOUR.

SHOE ILIN MACHINE.

No. 364,778; Patented June 14, 1887:

Luna! 26 Z0 tine/ 56s: ll). firdzinsion. I ()vew uym v awn,

(No ModeL) 4 Sheets-#Sheet a.

O. E. SEYMOUR.

SHOE NAILING MACHINE.

Patented June 14, 1887 kiq'ineases:

(No Model.)

4 Sheets-Sheet 4 0. 'E, SEYMOUR. SHOE NAILING MACHINE.

J71 Vania":

-. Patented June 14, 1887.

g? wa W mm. 4 $2 her, Washington. D- Q UNITE STATES PATENT OFFICE.

OLIVER E. SEYMOUR, OF CINCINNATI, OHIO, ASSIGNOR TO THE VIBE GRIPFASTENING COMPANY, OF CHICAGO, ILLINOIS.

SHOE-NAILING MACHINE.

SPECIFICATION forming part of Letters Patent No. 364.778, dated June 14,1887.

Application filed January 25, 1886.

T at whom it may concern:

Be it known that I, OLIVER E. SEYMOUR, a citizen of the United States,residing at Gineinnati, Ohio, have invented new and useful Improvementsin Shoe-Nailing Machines, of

which the following is a specification.

My invention relates to that class of shoenailing machines adapted todrive a properlyv prepared wire through the sole and upper of [o a bootor shoe and cut the same off in lengths corresponding with the thicknessof the material operated upon; and it consists in certain features ofconstruction,hereinafter more fully detailed and pointed out in theclaims, where- I 5 by the mechanism is simplified and rendered moreefficient and certain in operation by reason of the better applicationof the driving power to the several operations and theimprovedconstruction of the media through which the power is applied, andwhereby also the manual control of the machine and its work arefacilitated andthe machine as a whole rendered more durable and itsparts more easily and conveniently removed for repairs 2 or adjustmentand replaced for action.

Mechanism embodying my invention is illustrated in'the accompanyingdrawings, in Which- Figures 1 and 2 are side elevations taken 0 fromopposite sides of the machine complete;

Figs. 3 and 4, axial sections of the drivinghead in verticalcrossplanes, showing'the construction and functional relations of theparts concerned in the wire-driving action; Fig.5, a horizontal sectionof the driving-head, taken through the external rotating collar; Fig. 6,a side elevation of the pair of movable frames containing thewire-engaging wheels and their ratchets; Fig. 7 a diagram elevation cofthe wire-engaging wheels detached,showing their functional relation tothe wire; Fig. 8,

a detail axial-section of the collar containing the detents, to preventany backward slipping of the wire in the spindle; Figs. 9' and 10; a

plan and front elevation, respectively, of the pivoted jaws carrying thecutting-chisels; Fig. 1l, a detail elevation of the mechanism foractuating the chiseljaws; Fig. 12, a longitudinal section and a planview, respectively, of

one form of the feeding mechanism (being the same exhibited in Figs. 1and 2) with a de- Scrial'No. 189,613. (No model.)

mechanism; Fig. 17, a detail cross-section through one of thecutting-chisels and its holding-matrix, showing the construction for adjustably securing the same.

Referring now to the drawings, A designates the main supporting-frame,having forward projections, a a, and B, a counter-shaft receiving powerfrom the usual sources and transmitting it to the machine.

The shaft B terminates at its forwardend in a crank, whose wrist lactuates (by means ofa sliding block orroller) a yoke, 2, secured upon avertical rod, 3, which is thus reciprocated vertically in'guide-loops 2222 of the projections 64 a of the frame constituting its bearings. Theyoke 2 is extended beyond the rod 3, and embraces loosely a hollowvertical rod or spindle, 4, arranged parallel with the 8:) rod 3 inguide-loops 7 7 of the projections aa, the said rod, with its attachedsteel bars 24, to be described, constituting the hollow spindle orwire-carrier, through which the wire w for Q nailing plays. Around thespindle 4, beneath the yoke 2,and bearing against a fixed adjustablecollar, 6, secured to the spindle below, is arranged a coiled spring, 5,through which the downward movement of the yoke 2 is transmitted to thespindle or wire-carrier 4. 0 It will be thus seen that the movement ofthe yoke 2 gives a simultaneous movement to both the rod 3 and thespindle 4, with the difference that the thrust of the rod 3 is positiveto its fixed limit, while that of the spindle 4, be- 5 ing derivedthrough the spring 5, may be variable, and is in fact so, accordingtothe thickness of the material nailed, as will be more fully explainedhereinafter. To the rod 3, at

its lower end, is secured the rear end, 12, of the driving-head 13.'This head 13, embracing the spindle 4 loosely and carrying at its lowerend the wire engaging and driving devices, to be described, isreciprocated positively by the rod 3; but the spindle 4, deriving itsdownward motion by the spring 5, acted 5 upon by the yoke 2, is arrestedin its downward movement sooner or later, according to the varyingthickness of the material on the horn G. The spindle 4 has fastened toit, by

a set-screw, 3 a cross-head, 11, having a IO loop, 8. This crosshead 11is acted upon by the wire-driving head, 13, as the latter is lifted, andlifts the spindle 4. The head 13,

as will be described, also prevents the rotation of the spindle 4. \Vhcnthe lower end of 15 the spindle 4, in its descent, strikes the materialplaced upon the horn G to be nailed, the

farther movement of the spindle is arrested;

but the wire-driving head 13 continues its movement to its prearrangedlimit, and by its wire engaging and driving devices, to be described,carries the wire through the spindle into the material.

The wire-driving devices, held in position by the head 13, will be moreclearly understood by referring to the sectional and detail views, Figs.3, 4, 5, 6, and 7 of the drawings.

The spindle 4 is hollow axially throughout, as already indicated, andcarries the wire 10,

5o entering at the top from asuitable reel or bobbin, 22*, mounted upona standard, 23, secured at the top of the machine-frame A. I alsoprovide, in connection with the bobbin and the spindle or carrier, astraightening de- 3 5 vice, which I will describe later.

The spindle 4 is terminated below by two rectangular steel bars, 24,secured thereto by screws 25, arranged parallel with each other andextending downward to and seated in a 0 nose-piece, 26, attached to andcarried by the depending arm 10. The bars 24 are spaced apartsufficiently to practically extend the central opening of the spindledownward, and shallow longitudinal recesses 24 are cut in 5 the oppositefaces of the bars, as shown in Fig. 4, to further receive and guide thewire in its downward movement. The arm 10, carrying the nose-piece 26,is attached to the cross-head or bracket 11, operating vertically inguides 9 upon the main frame. The cross-head 11,

' extended forward and embracing loosely the rod 3 above thewire-driving head 13, has at one end a loop, 8, to embrace the spindle4, a set-screw, S connecting the said loop and spindle.

The wire-drivers consist of four toothed spur-wheels, 27, arrangedcentrally and rigidly upon shafts 2S, journaled in pairs arranged oneabove another in moving frames, each 6c frame consisting of tworectangular side pieces, 29, held by a curved back, 30. The shafts 28are journaled between and through the side pieces, 29, and at eachprojecting end is secured a ran hot-wheel, 31, or pawl 32-these beingarranged alternately upon the shafts in such a manner that upon one endof each shaft is a ratchet and upon the other a pawl-each pawl engagingwith the engaging-wheel upon the corresponding end of the adjacent shaftof its pair. Each pawl is provided with a spring, 33, to keep it inengagement with its ratchetwheel. The frames are placed at oppositesides of the bars 24, so that the side pieces, 29, are guided againstthe same as they move toward each other or apart, bringing the toothedwheels 27 between the bars, the wheels of the two frames being oppositeeach otherin pairs, as indicated in Figs. 4 and 7, their toothedperipheries entering the vertical wire-space between the bars 24.

The frames are suspended upon the head 13 by screws 34, which projectthrough into horizontal slots 35 of the side pieces, 29, the con nectionbeing such as to allow a horizontal movement of the frames toward andfrom each other guided upon the bars 24, but preventing verticaldisplacement. This interhorizontal movement ofthe frames brings oppositewheels, 27 closer together in the wire cavity between the bars 24, sothat the wire may be engaged between the faces of the toothed wheels, ordraws the wheels apart to release the wire. The engaging movement takesplace (by means hereinafter described) at the beginning of the downwardstroke of the wire-driving head 13, and is effected by a sleeve, 36,surrounding the toothed wheel-frames, as follows: The sleeve 36 is heldby a cleat, 37, secured to the extension 12 and engaging loosely under aflange, 36 constituting the head of the sleeve 36. That portion of theinternal periphery of the sleeve 36 which surrounds the frames below thehead 13 is formed in two opposite eccentric surfaces, as shown in Fig.5, which in each partial rotation of the collar act upon the curvedbacks 30 of the toothed wheelframes to force them together. When soforced together, which movement occurs when the spindle-head 13 isbeginning its downward stroke, the teeth of the wheels 27 bite into thewire, and as the wheels are prevented by their ratchcts from rotatingbackward they carry the wire downward with the thrust of the head; butwhen the eccentric surfaces of the sleeve 36 release the wheel-frames 2930, (which occurs when the head 13 is beginning its upward movement-,)the wheels 27 being permitted to rotate freely backward in the oppositedirection, their teeth-points roll upon the wire and force thecontaining-frames outward. This partial rotation of the sleeve 36 iseffected by means of a collar, 14, held externally upon the sleeve 36 byset-screws actuated through the following intervening mechanism by aneccentric, 15, upon the main drivingshaft B.

The eccentric 15, by an ordinary strap, 15*, and rod 15, verticallyreciprocatcs a crosshead, 16, which by an inclined slot, 17, engaging astud or pin upon a sliding bar, 18, held in guides upon the frame,reciprocates the sliding bar horizontally. To the end of the sliding bar18 are pivoted two horizontal connecting-rods, 19, spaced apartsufficiently to maintain between them a vertical pin, 38,

permitting the latter to\play vertically with p a more comprehensivedescription of the printhesleeve 36 as the wire-driving head 13 isreciprocated. Thus with each revolution of the main shaft 13 and eachreciprocation of the spindle 4 and its wire-driving mechanism, thesleeve 36 is partially rotated and the wiredriving wheels 27 are therebythrust together to engage the wire to between the bars 24 and carry itdown with ,the thrust of the'driving- I head 13. There is also added tothe spindle4 a pair of pivoted spring-held det-ents, 39 39,

(see Fig. 8.) pivoted upon a collar, 40, at-

taohed to the spindle above the projection 7 and operating throughopposite slots in the spindle to prevent the wire from moving upwardduring the independent upward movement of the wire-driving head 13.

All the mechanism directly concerned in the driving of the wire havingbeen now described,

cipal function of the machine will now be pos-' sible.

The wire 'w passes from its reel entirely through the spindle 4 to theextreme under surface of the nose-piece 26, and is carried downward withthe spindle 4 by. the grippers 39 and the wheels 27 to the limits ofitsmovement, to wit, until the spindle is arrested by contact of thenose-piece with the upper surface of the material resting upon the hornC.

This arrest is permitted by the coiled spring 5 of the spindle-4 'withthe driving-yoke 2. To this limit all parts move in unison, receivingpower from the same driving soureeto wit, the yoke 2; but thedrivinghead 13, carrying its independent mechanism for engaging the wirein its downward thrust, continues positively on to the ,fullpredetermined limit of movement, carrying the wire with it. Thewire-driving devices consist, essentially, of the wheels 27, theircarrying-frames, and the cross-head 13, and means to hold the wheelswhile the spindle is descending to drive the wire into the material. Thewire is thus forced out beyond the face of the'nosepiece 26, through-thematerial, to the surface of the horn O, and is then cut off at the uppersurface of the material by mechanism now to be described.

The wirecuttingdevices, Figs. 9, 10, consist, in .thefirst-place, of apair of bevel-edged cutting-chisels,'41 41, mounted adjustably in jaws42 42,-joined by a common pivot, 43, to the arm 10, just in rear of theengagement of the nose-piece 26 with the bars 24. The chisels 41'are'inclincd, so that their lower beveled edge surfaces are in the samehorizontal plane and are moved together edge to edgehorizontally at thelower surface of the nose-piece by the twisting engagement of arectangular or oval sectioned cam-rod, 44, vertically journaled in theframe A and engaging between rear projections of the pivoted jaws 42.The chisels are normally held apart by springs 45 45, at-

- tached to the rear projections of the jaws 42 and engaging against thesides of a slot in the arm 1'0,through which the said jaw projectionspass.

The rod 44, Fig. 11, carries a crank, 46, at its upper end, pivotallyconnected by a link, 47, to a sliding bar, 48, held in bearings c of themain frame below and across the line of the shaft B. A pin or dog, 49,set radially in the periphery of an adjustable collar, 49-}, on theshaft B, engages a conical collar, 50, upon the sliding bar 48, andcompels a limited movement of said bar, which, by the link-andcrankconnection, partially rotates the rod 44, and operates thecutting-chisels, as described.

After the dog 49 has passed over and beyond the collar 50 the springs 45restore the parts to their normal position. This action of the cuttersis arranged to take place as soon as the limit of the driving movementof the head 13 is reached, but always at the surface of the material,the cutting-arms 42 being carried vertically up and down upon the rodl44as the spindle 4 is reciprocated.

The devices for feeding the work forward on the horn, in the form shownin Figs. 12 and 13, consist, essentially, of a horizontal feed-wheel,51, arranged upon a support adapting it to be adjusted to the horn inits movements, as follows: The feed-wheel 51, having a toothed peripheryand a line of bevel-gear teeth at its under side,-is pivotally mountedat the end of' an adjustable bracket, 52, held between the two cheeks ofa fixed bracket, 53, upon the main frame A. It is so held by the engagement of a stud, 54, projecting at either side of a rear extension of thebracket 52 .in horizontal slots 55 of the cheeks of the fixed bracket53. The forward end of the adjustable bracket 52 is upheld by a spring,56, (see Fig. 1,) from the fixedbracket. The bracket 52 is adj ustablehorizontally forward by means of an eccentric, 57, pivoted to the fixedbracket 53, and connected by a strap-link, 58, with the stud 54 of themovable bracket. The turning of the eccentric 57 by its handle draws themovable bracket 52 forward or backward, as the case may be, and as thework on the horn bears with its edge against the periphery of the wheel51, the work is moved so as to change its position relative to thewire-aperture of the spindle 4,-and brings the line of nailing nearer toor farther from the edge of the work. The feed-wheel 51 isrotatedintermittently by a bevel gear connection. with a too rro

horizontal shaft, 59, journaled in the movable 59 and bevelgears to thefeed-wheel 51. The feed-wheel 51 is moved downward to accommodate themovements of the horn by an adjustable dog, 63, held upon aconnectingrod, 64. The dog is curved to project over the side of thefixed bracket 53, and rests upon the movable bracket 52. Theconnecting-rod 6-1 is actuated by a lever, 65, with which it isconnected, pivoted below to the main frame A, and extending outward andengaging beneath the butt or hub of the horn 0. Thus when the horndescends, the feed devices are likewise carried downward against theresistance of the spring 56, by which they are again raised when thehorn is elevated, and the feed-wheel 51 is thus always maintained in thesame relation to the tip of the horn, enabling the work to be adjustedto the horn in its lowered position in exact relations to the feed,

" and then thrown up into working position while retaining suchadjustment.

The devices for controlling the vertical position of the horn O are asfollows: The horn proper,C,is mounted on a vertical stud or shaft, D, towhich it is adjustably secured bya wedgekey actuated by a set-screw. Theshaft or stud D is journaled vertically in the frame A near the base,with provision for a pivotal movement, and extends through the same intoa yoke, E, below. (See Fig. 14.) Beneath the stud D, at the bottom ofthe yoke E, is a pivoted base'block, F, having two steps orabutments,f'f (see Figs. 1, 2, and 15,) of different heights,which maybe brought alternately beneath the stud D by oscillating the baseblock Fupon its pivot, thus giving a bottom support for the horn at either oftwo different elevations. The stud D has near its lower end a collar,d,with projections at opposite sides, by which short links d connect itwith the rear or highest abutment, f The latter is again connected byasimilar link or links, d", to the lower arm of a bell-crank, G,whoseupper or horizontal arm is provided with a vertical link, (1, having ahook-shaped head. The lower arm of the bell-crank G is also joined to alink, d, and the latter to a similar link, d pivoted toihe frame, thetwolatter links forming a toggle-joint centrally connected to an uprightlink, (1", having a hooked head similar to d. The links (I and d aremaintained in an approximately-vertical position in such' relation thatthe depending rod 20, having a double-hook head, 21, at its lower endand secured at its upper end to the cross-head 16, may engage one or theother of the links d or d", according to the temporary lateral positionof said rod 20 as controlled by the following mechanism: The lowerportion of the rod 20 passes through a loop in the vertical arm ofabell-crank, H, pivoted to the frame A, and the lower or horizontal armof the bell-crank H is connected by a link, 0, with a foot-lever, I. Thehorizontal arm of the bell-crank H is also upheld by aspring, s, fromthe frame A. The pivotal oscillations of the bell-crank H in onedirection by the spring s, and in the other by the foot-lever I andconnecting-link e, shifts the rod 20 so as to engage its double hook 21with the hooked heads of the links d d alternately. In the normalposition of rest, as shown in Figs. 1 and 2, the spring 8 holds thebell-crank H up and engages the rod 20 with the link d and brings thelower abutment, f, beneath the horn, which is then in its lowestposition. By forcing down the foot-lever 1, the bell crank H throws therod 20 to the right, when the hook-head 21 engages beneath the hook-headof the link 11" and raises the same, and by the toggle-connectionsforces the abutment-block F over to engage the abutment f beneath thehorn, the horn being raised by means of the links (1 and collar (1. Thusit will be seen that the horn is both raised and lowered by the positiveaction of the main shaft, and consequently only in certain positions ofthe wire-driving mechanism. The foot-lever connections have only thefunction of placing the mechanism in such condition as to enable thehorn to be raised or lowered by the revolution of the main shaft at thenext occurring point where the situation of the driving mechanism wouldpermit. Thus, if work is on the horn when the foot-lever is moved, thehorn still remains elevated until the immediate nailing is completed.The same action in reverse occurs when the horn is to be raised, so thatno accident can occur from this cause during the operation of themachine.

Adjacent to the foot-lever I is a similar foot-lever, J, connected by alink, with a bell-crank, h, at the top of-the machine. The bell-crank isa pulley-shifter and engages in a grooved hub of a normally loosebelt-pulley, i, and moves it into engaging clutch-connection-with thehub of the fly-wheel Kagainst the force of a retractile springconnecting the arm of the shifting device It with the machineframe A.The treadles l J move against the vertical rack-bars and engage beneathsuitable projections,holding them in ultimate positions.

The wire being wound upon a reel, 22*, as described, acquires a circularset, which it is desirable to remove in order to lessen its friction inthe spindle 4. This I accomplish by passing the wire through astraightening device arranged at the top of the spindle. It consists oftwo idler-wheels, 66 and 67, pivoted one above the other in a suitableframe attached to a collar, 71, secured to the top of the spindle 4.Opposite the interval between these wheels 66 and 67 is athirdidler-wheel, 68, supported upon a pivoted arm, 69, by which it isadjustable by means of an adjusting-screw, 70, in relation to thevertical path of the wire over wheels 66 and 67. By proper adjustment ofthe wheels the bend or set of the wire is removed as it passes betweenthe wheels.

I employ at the lower surface of the noseplate 26 a steel wear-plate, 72, held at the forward end by a set-screw, 72*, by which the ICC wearof-the cutting-knives upon the -surface of the stock is prevented.Theelasticity of the plate permits it to rest ordinarily against thenose-plate when the latter strikes the stock; but the operation of theknives takes place immediately above the wear-plate, thus protecting thestock at all times from injury.

I claim as my invention and desire to secure by Letters Patent of theUnited States- I 1. In a shoe-nailing machine, the combination of ahollow spindle carrying the wire, with a separate driving-spindle, 3,and its attached head 13, and the frames and rollers 27, constitutingthe wire-driving devices, both spindles reciprocating vertically inbearings upon the supporting-frame, substantially as set forth.

2. In a wire-nailing machine, the hollow spindle carrying the wi re, ithaving prolongations 24, and theindependentdrivingspindle 3, itsattached head 13, the frames 29, having backs 30, the rolls 27, theirattached gear, and thepawls 32, combined'with the yoke attached to thespindle 3, the collar 6, attached to the spindle 4, and the interposed.spring 5, and

, with means to operate the said spindle, whereby the movement of thespindle 3 is made positive for a given distance and the movement of thespindle 4 is made variable according to the thickness of the material atthe top of the horn, substantially as described.

3. The combination of the frame A and shaft B, carrying the crank-pin 1,the spindles 3 4, yoke 2, embracing both spindles and rigidly fastenedto the driving-spindle 3, the

spring 5, and adjustable collar 6, the cross head 11, embracing bothspindles and rigidly fastened to the wire-spindle 4, and thewiredrivinghead 13, embracing both spindles and rigidly attached to thedriving-spindle 3, as set forth. r

4. The wire-carrying spindle 4, its attached cross-head 11, the bracketand nose, and the guide for the cross-head, combined, with the spindle3, itsattachedcross-head 13, and conneeted device's to engage and feedthe wire in the spindle 4 after its arrest, substantially as described.1

5. The wire carrying spindle 4, its attached cross head 11, the bracketand .nose, and the guide for the cross-head 13, and connected devices toengage and'feed the Wire in the spindle 4 after its arrest, and with thespring 5, yoke 2, and means to move the said spindle, substantially asdescribed. 6. In a nailing-machine, the vertically-re ciprocatinghollow'spindle 4, the'spind'le 3, moving parallel to it, its attachedcross-head 13, toothed wheels 27, to engage the wire, and thecarrying-frames for the said wheels, com bined with the sleeve 36,having eccentric inner faces and adapted to move the carryingframestoward the wire when it is to be fed and driven into the stock, thewheels at such time being locked against rotation, the movement of theframes away from the wire taking place while the spindle 3 is rising, atwhich time the wheels are free to rotate over the wire, substantially asdescribed.

7. in combination, thespindle4, its attached parallel bars 24, thetoothed wheels 27, acting between the bars. and their carl'yingframes,

with side pieces. 29, guided upon the exterior spindle, the toothedwheels operating as described, their containing-frames guided asdescribed, having curved backs, and the surrounding collar 36,havinginner cam-surfaces bearing against the backs of the frames,substantially as set forth.

10. In combination with the spindle 4, the independent head 13, movablewheel-frames 29 30, engagingwheels 27, journaled therein, the eccentriccollar 36, and means, substantiallyas described, forimpartingsemi-rotation to the collar, substantially as set forth. x

11. The combination of the wire-spindle 4, the drivingspindle 3, thehead 13, and its wire-engaging devices, the flanged collar 36, and thesupporting-lug 37, substantially as set forth. 7

12. The combination of the spindles 3 and 4, the wire-driving head 13,collar 36, and contained mechanism, the embracing-loop 14,and mechanism,substantially such as described, for imparting semi-rotation to thecollar while permitting the free vertical movement of the head andcollar, as set forth.

13. The combination of the collar 36 and its rotating loop 14 with therods 19, pin 38, bar 18, slotted cross-head 16,strap-connection,andeccentric 15, substantially as set forth.

14. The combination of the spindle 4,collar 40, and pivoted spring-helddetents 39, substantially as set forth.

15. The wire-carrying spindle and means to drive the wire, thelevers 42,and their attached cutters 41, combined with a rod, 44, co-operatingwith the said levers, and with means, substantially as described, tooscillate the said rod and actuate the said levers, as set forth.

16. In combination with the wire-carrying spindle, the depending arm 10,its attached nose-plate, the cutter-carrying jaws 42, also mounted onthe said arms, the actuating-shaft, a horizontally-movingshaft having acrankconnection with said cutter-actuating shaft and arranged adjacentto and across the axis of the main shaft, and the cam -or pin upon themain shaft engaging said horizontal shaft intermittently and actuatingthe cutters, substantially as set forth.

' 17. The combination, with the supportingframe A, main shaft B,projections a a, spindles 4 3, and their driving connections, of thevertical cutter-actuating shaft 44, guided in 18. The combination, withthe cutting lever jaws 42, of vertical shaft 44. crank 46, link 47,horizontal shaft 48, collar 50, pin 49, and main shaft B. substantiallyas set forth.

19. The combination of the depending arm 10, cutterjaws 42, pivot 43,opening rod 44, and springs 45, substantially as set forth.

20. The combination of the spindle, noseplate, and cutting devices withthe wearplate 72, substantially as set forth.

2]. The wire carrying spindle, wire-driving mechanism, the horn andmeans to lift it, and the feeding device pivoted to rise and fall,combined with a spring to lift the feeding device, a finger to depressthe feeding device, and with connections between the said finger and thehorn, whereby the movement of the horn directly moves the feeding devicewith it, substantially as described.

22. The pivoted arm 52, the feed-wheel, the shaft 59, and gear thereonto move the feedwheel, combined with means to rotate the said shaft toactuate the said feed-wheel, substan tially as described.

23. In a shoe-nailing machine ofthe character described, in combinationwith a verticallymovable born, a pivoted base-block having restingsurfaccsff for the horn at different elevations and adjustable toultimate positions to support the horn at either of said elevations,substantially as set forth.

24. The combination of the movable horn, the pivoted baseblock havingtwo surfaces,

f f, and mechanism, substantially as described, connecting with the maindrivingshaft, whereby the horn is lifted or depressed and the base-blockshifted to support the same simultaneously and automatically by theoperation of the machine, as set forth.

25. The combination of the horn 0, base actuating mechanism, with thetoggle d" d and the hooked link (1, substantially as set forth.

27. The combination of the hook-links d d and their connected mechanism,and the lifting-rod 20 and its actuating mechanism, with the bell-crankH, spring S, link 0, and foot lever I substantially as set forth.

28. In ashoe-nailing machine, a spindle, 4, carrying the wire in anaxial perforation and having the prolongations 24 at its lower end, andthe nose 26 and the spindle 3, having a uniform vertical throw, and theframes attached to the spindle 3, and provided with wheels to engage thewire between the said prolongations, combined with means, substantiallyas described, for driving both spindles simultaneously from thedriving-shaft and permitting the arrest of the wirc-carrying spindle ata variable limit, according to the thickness of material operated upon,as Set forth.

29. In a nailing-machine, the combination of the followinginstrumentalities, viz: the spindle 3, means to reciprocate itlongitudinally with a uniform extent of stroke, a crosshead attached tothe said spindle, frames carried by the said cross-head, andwire-gripping rollers mounted in the said frames andlockcd againstrotation during the descent of the said spindle, a wire carryingspindle, 4, having extensions 24, terminated by a nose, leaving slotsabove the nose to thus permit the rollers engaging thewire at oppositesides to slide in the slots in the direction of the length of thespindle 4, a horn to support the stock, means to drive the spindle 4 andpermit it to stop when the nose of the spindle isarrested by the work onthe horn, and means, carried by the spindle 4, but located above therollers which feed the wire, for preventing backward movement of thewire while the wheels are being OLIVER E. SEYMOUR.

\Vitnesscs:

L. M. HOSEA, O. D. KERR.

